Topic: [SOLVED] simple mysql statement giving error.. can't figure it out.

[Dragen]

Okay, I'm quite tired so I may just be being really dim witted here, but.. what's wrong with this mysql statement?

Code: [Select]

$sqlsel = "SELECT * FROM times WHERE day = '".$day."' && group = '".$group."' && start = '".$start."'";
I've been staring at it for some time and just can't see the problem. Maybe I just need some sleep...
Whenever I try and run it it gives me this error message:

Code: [Select]

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'group = 'Pre-School' && start = '9:30'' at line 1I just can't see what's wrong...

[kathas]

the and operator is not && it is 'and' without the quotes of course...

[Dragen]

Thanks, but that's not it. You can use both '&&' or 'and'.
I did try it with and though and it didn't work. I'm just stumped.. I can't see anything wrong with the syntax

[boo_lolly]

the and operator is not && it is 'and' without the quotes of course...

actually, i believe it can be done either way. anyway, try this:

Code: [Select]

$sqlsel = "
        SELECT
                *
        FROM
                times
        WHERE
                day = '".$day."',
                group = '".$group."',
                start = '".$start."'
";


[john010117]

Try this:

Code: [Select]

$sqlsel = "SELECT * FROM times WHERE day = '$day' AND group = '$group' AND start = '$start'";

I'm just throwing ideas around...

[Dragen]

nope, no good....

[kathas]

try echoing your query to see if there is something wrong with it...

like a single quote in $day or $group or $start

[john010117]

Backticks sometimes solved my problems.

Code: [Select]

$sqlsel = "SELECT * FROM `times` WHERE day = '$day' AND group = '$group' AND start = '$start'";

Make sure you've defined every variable that's in the query.

[boo_lolly]

hmm, i just noticed something. you have 'Pre-School' in your where argument. mysql may not like the '-' in there. try doing this:

Code: [Select]

$sqlsel = "
        SELECT
                *
        FROM
                times
        WHERE
                day = '". $day ."'
        AND
                group = '". str_replace('-', '\-', $group) ."'
        AND
                start = '". $start ."'
";


[Dragen]

I've already thought of that.. I changed it to something else to test it.. I've also done the same with '9:30' as well, just in case it wasn't likng the ':'

[boo_lolly]

I've already thought of that.. I changed it to something else to test it.. I've also done the same with '9:30' as well, just in case it wasn't likng the ':'

well... what happened?? same error?

[Dragen]

yeah, same thing.. I've just narrowed it down to the:

Code: [Select]

&& group = '".$group."'If I remove the group it works fine, but obviously it doesn't find what I want from the database (I just don't get errors..)

[Dragen]

Okay I've sorted the problem... for some reason it didn't like my mysql cell being called group.
I changed the name to sesgroup and it's working fine! perhaps group is a reserved name for something?
I'd be interested to know.

Thanks for all the help!

[boo_lolly]

Okay I've sorted the problem... for some reason it didn't like my mysql cell being called group.
I changed the name to sesgroup and it's working fine! perhaps group is a reserved name for something?
I'd be interested to know.

Thanks for all the help!

of course! i can't believe i didn't see it before! GROUP is a mysql argument.
http://www.tizag.com/mysqlTutorial/mysqlgroupby.php

sorry i didn't recognise that sooner. glad you figured it out bro! don't forget to mark this topic as 'solved'

[kenrbnsn]

The word "group" is a reserved word in MySQL. If you want to use a reserved word in another context in MySQL you need to surround the word with backticks -- "`" -- as in `group`.

Ken